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SnapMirror policy schedule is not doing Snapshot rotation due to Snapshot count limit

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Applies to

  • ONTAP 9
  • SnapMirror

Issue

  • SnapMirror policy schedule is not doing snapshot rotation due to Snapshot count limit
  • The relationship failed with;

 'Transfer failed'. Last Transfer Error Was 'The number of Snapshot copies on destination volume "SVM_DES:vol_des" has reached the maximum supported count of 1019.

  • Error messages of "sm.vault.xfer.warn.snapshot.count.limit" would be observed from the event log
For example:
sm.vault.xfer.warn.snapshot.count.limit: Snapshot count limit for SnapMirror relationship with source volume 'SVM_SRC:vol_src' and destination volume 'SVM_DES:vol_des' with relationship UUID 'xxxx' has been reached : Snapmirror will fail all subsequent vault_00:10 transfers. Reduce the keep or delete some snapshots on SVM_DES:vol_des.

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